Watching traditional media outlets grapple with the unfiltered nature of social media has been a little like watching a bear try to pick up a porcupine — some have been tentative, others have tried to lock social-media use down as much as possible, and some have been stung and reacted badly. The New York Times is one of the few that has not felt it necessary to draft a restrictive new policy on Twitter and Facebook use, but now it has done something that is arguably even worse, by appointing an editor to oversee the tweets and status updates of its Jerusalem bureau chief after some of her comments raised hackles.